Tag Number
Service
PI-[_____]
Main Steam, Steam Pressure.
PI-[_____]
B.F. Pumps, Strainer Pressure.
PI-[_____]
Condensate Pump No. 1, Suction Pressure.
PI-[_____]
Condensate Pump No. 2, Suction Pressure.
Gauges shall conform to ASME B40.100 and shall be of pressure detecting
class, single, Bourdon tube style, suitable for detecting air pressure.
Gauges shall be remote reading to the control panel.
2.9.18
Feedwater Temperature and Pressure Recorder
Feedwater temperature and pressure recorder shall be installed on the
boiler plant central metering panel to record the deaerated feedwater
temperature and the pressure of steam space in the deaerating heater.
Recorder shall be as specified. Unit shall be provided with
interconnecting tubing and separable sockets for elements located in the
feedwater heater. Electrical connections shall be totally enclosed.
Accuracy shall be within plus or minus 1 percent of the chart range.
2.9.19
Condensate Flowmeter
A 40 mm 1-1/2 inch in-line disk meter shall be furnished and installed in
the makeup line to the deaerator. Meter shall have a bronze housing,
stainless steel trim, and disk suitable for an operating temperature of 105
degrees C 220 degrees F. Meter shall be equipped with a register of at
least six digits and have a capacity of at least 3 L/second 50 gallons per
minute.
Tag Number
Service
FQI-[_____]
Condensate Flow
2.10
TOOLS
Special tools only shall be furnished and shall include all uncommon tools
necessary for the operation, cleanout, and maintenance of the boilers,
pumps, fans, controls, meters, special piping systems, and other auxiliary
equipment. Small hand tools shall be furnished with a suitable cabinet,
mounted where directed. The following tools shall also be furnished.
2.10.1
Tube Cleaner
For water-tube boiler installations, a water-driven cleaner shall be
provided with three rotary cutters, the necessary length of armored water
hose, valves, and all other appurtenances necessary for operation. Tube
cleaner shall be provided for each size of watertube in the boiler, with
one extra set of cutters for each size cleaner. Necessary valves and
fittings shall be provided to permit convenient connection of the cleaner
hose to one of the boiler feed pumps to supply cold raw water for operation
of the cleaner. Piping arrangement shall be such that one boiler feed pump
may be used to operate the cleaner without interfering with normal
operation.
SECTION 15846A
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